[Gmsh] [Bug?] Circular arc rotational extrusion and duplication

[Christophe Geuzaine]

Stefan Tibus wrote:
> Hello,
> 
> the attached geometry file creates a spherical cap by drawing circular
> arcs and rotational extrusion. However, upon duplicating the volume
> (to the right) the geometry appears distorted.
> 
> I get the same distorted geometry when trying to create the cap not
> by rotational extrusian, but drawing the appropriate boundary lines
> and creating ruled surfaces. How can this distortion be avoided or
> is it just a bug?
> 

Hi Stefan - What do you mean by "distorted geometry"? Everything seems
to be OK when I mesh your model here...

> Question aside: For scripting purposes it seems hard to me to keep
> track of the numbers of automatically created entities. Is there a
> way to retrieve and store their numbers?
> 

Yes: all the geometrical transformation commands return a list of entity
id numbers. See e.g. tutorial/t3.geo.


> Thanks and regards,
> Stefan
> 
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science
http://www.montefiore.ulg.ac.be/~geuzaine